<?xml version='1.0' encoding='utf-8'?>
<Context>
  <Realm className="org.apache.catalina.realm.JAASRealm"
         appName="Jaas"
         userClassNames="waffle.jaas.UserPrincipal"
         roleClassNames="waffle.jaas.RolePrincipal"
         useContextClassLoader="false"
         debug="true" />
</Context>